Argyresthia semifusca (Haworth, 1828)
brown rowan argent
on Crataegus, Prunus, Sorbus
gall
slight rotund to fusiform swelling of a young, but no longer green shoot, often just below a side branch; inside a yellow caterpillar; pupation external. Attacked shoots often are conspicuous because they droop.
host plants
Rosaceae, oligophagous
Crataegus; Prunus padus, spinosa; Sorbus aucuparia.
Strong preference for Prunus padus.
pupa
See Patočka (1997a), Patočka & Turcáni (2005a).
references
Agassiz (1996a), Bengtsson & Johansson (2011a), Buhr (1965a), Friese (1969a), Huisman & Koster (2000a), Huisman, Koster, van Nieukerken & Ulenberg (2004a), Konečná (2013a), Leutsch (2011a), Patočka (1997a), Patočka & Turcáni (2005a), Tomasi (2014a).